half-up/down

[Joshua N Pritikin]

I added these bindings:

  bind pager [ half-up
  bind pager ] half-down

The strange thing is that half-up does not scroll back to the prior
message, yet half-down *does*.  I think it would be better if
it consistently did not switch to the next/prev message.

-- 
"Never ascribe to malice that which can be explained by stupidity."